Finding the Fourth Proportional to 992,589,170.56, 1,488,194,276.96 and 439,590,256
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Solution
The fourth proportional to 992,589,170.56, 1,488,194,276.96 and 439,590,256 is: 659,080,032.90
Step by Step Solution
- Step 1: Write the proportion equation
992,589,170.56 : 1,488,194,276.96 = 439,590,256 : x - Step 2: Convert to fraction form
992,589,170.56/1,488,194,276.96 = 439,590,256/x - Step 3: Cross multiply
992,589,170.56x = 1,488,194,276.96 × 439,590,256 - Step 4: Simplify right side
992,589,170.56x = 654,195,703,186,581,376 - Step 5: Solve for x
x = 654,195,703,186,581,376/992,589,170.56 - Step 6: Final answer
x = 659,080,032.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.